1253326051 has 8 divisors (see below), whose sum is σ = 1376651520. Its totient is φ = 1135736712.

The previous prime is 1253326027. The next prime is 1253326057. The reversal of 1253326051 is 1506233521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253326051 - 2¹³ = 1253317859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253326057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433575 + ... + 1434448.

It is an arithmetic number, because the mean of its divisors is an integer number (172081440).

Almost surely, 2^1253326051 is an apocalyptic number.

1253326051 is a deficient number, since it is larger than the sum of its proper divisors (123325469).

1253326051 is a wasteful number, since it uses less digits than its factorization.

1253326051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868065.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1253326051 is about 35402.3452754193. The cubic root of 1253326051 is about 1078.1719334673.

Adding to 1253326051 its reverse (1506233521), we get a palindrome (2759559572).

The spelling of 1253326051 in words is "one billion, two hundred fifty-three million, three hundred twenty-six thousand, fifty-one".